[{"arm_notes": "nan", "treatment_id": null, "treatment_name": "AZD1222", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": 2187, "treatment_name": "Placebo", "treatment_type": "Placebo", "pharmacological_treatment": "Placebo"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "VLA2001", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "VLA2001 - adolescent part", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}]

[{"arm_notes": "2;Days0-28; <30 years will receive VLA2001; participants aged >=30 years will be randomised 2:1 to receive VLA2001 or AZD1222", "treatment_id": 1375, "treatment_name": "Vla2001", "treatment_type": "Inactivated virus", "pharmacological_treatment": "Vaccine"}, {"arm_notes": "2;Days0-28; <30 years will receive VLA2001; participants aged >=30 years will be randomised 2:1 to receive VLA2001 or AZD1222", "treatment_id": 161, "treatment_name": "Chadox1 ncov-19", "treatment_type": "Non replicating viral vector", "pharmacological_treatment": "Vaccine"}, {"arm_notes": "2+1;Days0-28+day208; \u226512 to < 18 years will be randomized 1:1 to receive VLA2001 or Placebo", "treatment_id": 1375, "treatment_name": "Vla2001", "treatment_type": "Inactivated virus", "pharmacological_treatment": "Vaccine"}, {"arm_notes": "", "treatment_id": 2187, "treatment_name": "Placebo", "treatment_type": "Placebo", "pharmacological_treatment": "Placebo"}]

[{"arm_notes": "nan", "treatment_id": null, "treatment_name": "AZD1222", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "VLA2001", "treatment_type": "Biological", "pharmacological_treatment": "Non pharmacological treatment"}]